Popular Products
Braking
Our brake upgrade kit includes:
14.2” two piece rear rotors
4 piston rear brake calipers
Rear stainless steel brake lines
Rear high performanc...
$4,995.00
Our performance brake package 4 is the ultimate upgrade for your braking system, allowing for maximum stopping power and improved safety.
Our upgrade in...
$7,995.00
Need new rings for your Girodisc 2pc rotors? We got them. Rings come complete with all new hardware and full instructions for re-assembly; but if you choose you...
$700.00
Need new rings for your Girodisc 2pc rotors? We got them. Rings come complete with all new hardware and full instructions for re-assembly; but if you choose you...
$800.00
The Girodisc system is a direct replacement for the OE disc. No modifications are necessary. The disc will bolt directly to the car and work with OE calipers pe...
$1,200.00
The Girodisc system is a direct replacement for the OE disc. No modifications are necessary. The disc will bolt directly to the car and work with OE calipers pe...
$1,200.00
Drivetrain
The Weistec 722.9 Transmission Pan provides improvement to the performance of the 7 speed 722.9 transmission in a few ways. Primarily is the increased flu...
$599.99
$509.99
While slippage in the torque converter is important under acceleration, this slippage becomes a liability once cruising speed is achieved. The lock-up clutch co...
$1,395.00
While slippage in the torque converter is important under acceleration, this slippage becomes a liability once cruising speed is achieved. The lock-up clutch co...
$1,395.00
Simply explained, a differential is the last point between the engine and the wheels where power is transferred. The differential functions as a system to direc...
$4,480.00
Weistec Engineering is proud to present the first and only upgraded torque converter for the AMG 722.9 transmission used in many AMG models (See Compatibility L...
$2,999.99
$2,549.99
Simply explained, a differential is the last point between the engine and the wheels where power is transferred. The differential functions as a system to direc...
$3,580.00
Engine
Our latest second generation intercooler pump out performs any other unit on the market; flowing over twice as much coolant as the problematic OEM pump and sign...
$1,395.00
Weistec Engineering is proud to introduce the trunk mounted water tank upgrade for all M156 Supercharged, and M113 Supercharged vehicles. The use of this water ...
$999.99
$849.99
For those who will be making in excess of 450 WHP, these uniquely designed spark plugs are a must have. Vehicles that are running increased boost levels are str...
$280.00
$238.00
The Weistec M113K High Flow Air Filters are made with our very own high flow element that significantly outflows the factory air filters. The filters are a drop...
$149.99
$127.49
Our forged pistons and billet 4340 rods add a great degree of strength and resilience to the M156 engine. The pistons benefit from an improved wrist pin design ...
$5,499.99
$4,674.99
THE 150MM PULLEY RING IS FOR STOCK BOOST APPLICATIONS, AS WELL AS FOR USE WITH WEISTEC M113K SUPERCHARGER SYSTEM UPGRADE.
Weistec’s M113k Modular Crank...
$1,249.99
$1,062.49
Exhaust
RENNTECH stainless steel and ceramic-coated exhaust headers offer true bolt-on installation, mounting directly to the OE down pipes - and all RENNTECH headers a...
$3,490.00
RENNTECH stainless steel and ceramic-coated exhaust headers offer true bolt-on installation, mounting directly to the OE down pipes - and all RENNTECH headers a...
$3,490.00
RENNTECH stainless steel and ceramic-coated exhaust headers offer true bolt-on installation, mounting directly to the OE down pipes - and all RENNTECH headers a...
$3,580.00
Weistec Engineering offers Downpipes for M275 AMG powered vehicles. Replacing the small and restrictive factory downpipes delivers gains in power, throttle resp...
$4,999.99
$4,249.99
Improve SLR performance output up to 59HP with the RENNtech Exhaust upgrade consisting of SLR Header and SLR Race Muffler!
These RENNTECH SLR headers are dev...
$14,600.00
RENNTECH stainless steel and ceramic-coated exhaust headers offer true bolt-on installation, mounting directly to the OE down pipes - and all RENNTECH headers a...
$4,480.00
Exterior
Offering aggressive styling and functional performance; our fully adjustable DTM style rear wing is designed to be mounted to the OEM trunk lid and improves rea...
$3,350.00
Offering aggressive styling and functional performance; our fully adjustable DTM style rear wing is designed to work in conjunction with our carbon fiber rear d...
$3,900.00
RENNtech is proud to introduce an all new rear decklid spoiler design for the Mercedes-Benz CL-class. This highly integrated prepreg carbon fiber spoiler ...
$1,680.00
RENNtech is proud to introduce this sporty yet elegant rear deck lid spoiler for the S-Class.
The rear spoiler integrates seamlessly into the rear of the veh...
$1,680.00
Our full carbon fiber rear decklid spoiler offers aggressive rear end styling and acts as a functional aerodynamic component to improve rear downforce and airfl...
$1,390.00
RENNTECH's carbon fiber rear diffusers manage the airflow underneath the car, creating low pressure areas that act like a vacuum, pulling the car to the gro...
$2,495.00
Suspension
The RENNtech V3 Digital Lowering Module (DLM) is designed to work with all available Mercedes Airmatic or ABC (Hydraulic) Suspensions.The unit allows the user t...
$1,395.00
Includes $150 in KMD Tuning Gift Card
This system intended for the experienced driver who does not only wish to determine the individual lowering of his vehi...
$1,699.99
$1,614.99
Includes $100 in KMD Tuning Gift Card
This KW V1 is the ideal system for customers wishing to rely on the experience of KW’s engineers to set the dampe...
$1,351.49
$1,283.92
The KW V3 coilovers offer a track worthy package for the street with its dual dampening technology. The separate and independently adjustable reb...
$3,000.49
$2,850.47
Includes $150 in KMD Tuning Gift Card
This system intended for the experienced driver who does not only wish to determine the individual lowering of his vehi...
$2,065.49
$1,962.22
This is the second generation of the RENNtech G-Wagon performance shock system. As any G-Wagon owner knows, the vehicle is an incredible off-road machine, but s...
$4,880.00